function loadVideo( index ) {
	var post = 'index=' + index;
	makePOSTRequest( "ajax.videos.php", 'Page3Block', post, 'videoLoaded' );
}

function videoLoaded( result, containerid ) {
	var elem = document.getElementById( containerid );
	if (elem) {
		elem.innerHTML = unescape(result);
  	var video = document.getElementById('youtube');
		video.style.visibility = "visible";
  }
}